11471957 has 16 divisors (see below), whose sum is σ = 13996800. Its totient is φ = 9178368.

The previous prime is 11471947. The next prime is 11471959. The reversal of 11471957 is 75917411.

11471957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11471957 - 2⁶ = 11471893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17408 + ... + 18054.

It is an arithmetic number, because the mean of its divisors is an integer number (874800).

Almost surely, 2^11471957 is an apocalyptic number.

11471957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11471957 is a deficient number, since it is larger than the sum of its proper divisors (2524843).

11471957 is a wasteful number, since it uses less digits than its factorization.

11471957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its digits is 8820, while the sum is 35.

The square root of 11471957 is about 3387.0277530602. The cubic root of 11471957 is about 225.5342497916.

The spelling of 11471957 in words is "eleven million, four hundred seventy-one thousand, nine hundred fifty-seven".